India ink staining of cerebrospinal fluid is a sensitive test for the presence of cryptococcus neoformans.
Cryptococcus is surrounded by a thick capsule; the carbon grains cannot penetrate the capsule resulting in a clear halo around the refractile wall of the yeast.
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.